YEAR | DATE | EVENT | HEAD OF STATE |
1274 | Duchy - dinasty Piasti | duke Corrado | |
1304 | duke Enrico IV | ||
1342 | duke Enrico V duke of Glogau | ||
1369 | duke Enrico VI | ||
1393 | duke Enrico VIII duke of Glogau | ||
1397 | duke John | ||
1439 | duke Rodolfo | ||
1454 | duke Baldassarre | ||
1472 | duke John II | ||
1504 | Union to Duchy of Slesia |